Science Final- 7th Grade
DNACell Organelles and their functionsCells to organ systemsGenetics/Probability/Punnett SquaresAbiotic/BioticSuccessionWater Cycle/Carbon CyclePredator/PreyFood Webs/Energy Pyramids
- 1.A natural resource is?
- A.
A resource that is hard to find
- B.
A resource only found in certain parts of nature
- C.
Anything in the environment that is used by people
- D.
Resources that can't be ever replaced
- 2.What is true about the human population?
- A.
It grew rapidly until 1650 AD
- B.
It was 6 billion in 2000 AD
- C.
It grew slowly until 1955 AD
- D.
It was 10 billion in 1000 AD
- 3.The human population has grown rapidly during the recent centuries. What has caused this?
- A.
Climate and Weather
- B.
Diversity of Niches
- C.
Oil Spills and harming sea animals
- D.
Medicine, Agriculture, and Waste Disposal
- 4.As you know, Tropical Rain Forests are the most Diverse Ecosystem. What is the second most diverse ecosystem?
- A.
Grasslands
- B.
Seaweed
- C.
Coral Reefs
- D.
Cacti
- 5.The Purple Marsh Crab is currently on the Threatened Species list. What is happening to this crab?
- A.
It has disappeared from Earth
- B.
It could disappear in the near future
- C.
Its being commonly used as a house-pet
- D.
It could become endangered in the near future
- 6.There are many natural events that could cause extinction of a species such as ________ and ________.
- A.
Poaching and Killing
- B.
Volcanos and Earthquakes
- C.
Captive Breeding and Poaching
- D.
None of the Above
- 7.A(n) ___________ obtains food,water, shelter, and other things it needs to live, grow and reproduce from its environment. (there are more than one answer, check off each answer)
- A.
Organism
- B.
Science Teacher
- C.
Girl named Sarah
- D.
Plant and or Animal
- E.
Nothing
- 8.Abiotic Factors are ___-living parts of a habitat.
- A.
Non
- B.
Re
- C.
Pre
- D.
Over
- 9.An example of an abiotic factor is water. However an example of a biotic factor is ___________.
- A.
Oxygen
- B.
Wind
- C.
Fungi
- D.
Rocks
- 10.When a plant makes food using water, sunlight, and carbon dioxide, they are performing what process?
- A.
Photosynthesis
- B.
Abiotic Factors
- C.
Light Reaction
- D.
None of the Above
- 11.True or False, the level of organization in an ecosystem from smallest unit to largest unit is Organism, Population, Community, Ecosystem
- A.
True
- B.
False
- C.
Maybe
- D.
I don't Know
- 12.Is the example, All of the trees in a forest, an example of a population?
- A.
Yes
- B.
No
- C.
Maybe
- D.
I don't know
- 13.True or False; All populations live in the same sized area.
- A.
True
- B.
False
- C.
Maybe
- D.
I don't know
- 14.True or False; An ecosystem is a group of organisms that are physically similar and can mate and reproduce with each other to produce offspring that can mate and reproduce.
- A.
True
- B.
False
- C.
Maybe
- D.
I don't know
- 15.Counting the number of red maples in a small area to estimate the number in the entire forest is an example of what type of study to determine population size?
- A.
Direct Observation
- B.
Indirect Observation
- C.
Sampling
- D.
Mark and Recapture Studies
- 16.Counting all of the hawks with and without bands on their legs is an example of what study to determine population size?
- A.
Direct observation
- B.
Indirect observation
- C.
Sampling
- D.
Mark and recapture
- 17.Counting all of the crabs that live in a tide pool is an example of what study to determine population size?
- A.
Direct observation
- B.
Indirect observation
- C.
Sampling
- D.
Mark and recapture
- 18.Counting the number of nesting sites in an area is an example of what study to determine population size?
- A.
Direct Observation
- B.
Indirect Observation
- C.
Sampling
- D.
Mark and Recapture
- 19.Identify the type of relationship for the given example: Bright Yellow Colonial Anemones on a drab Tube Sponge warn fish away from the sponge. The sponge provides space for the anemones.
- A.
Predator-Prey
- B.
Commensalism
- C.
Parasitism
- D.
Mutualism
- 20.Identify the type of relationship for the given example: A parrotfish has a strong "beak" that can crunch rock and eat coral polyps.
- A.
Predator-Prey
- B.
Commensalism
- C.
Parasitism
- D.
Mutualism
- 21.True or False; In Succession, the changes that occur are predictable
- A.
True
- B.
False
- C.
Maybe
- D.
I don't know
- 22.The first species to populate the area in primary succession are called ________ species.
- A.
First Class
- B.
Secondary
- C.
Pioneer
- D.
New
- 23.Choose one of the following animals that COULD NOT survive in a pond ecosystem.
- A.
Frogs
- B.
Lilypads
- C.
Bears
- D.
Fish
- 24.Which of the following organisms are producers? (check off each one)
- A.
Plants
- B.
Algae
- C.
Bacteria
- D.
Bears
- 25.The many overlapping food chains in an ecosystem make up a(n) _________ ______.
- A.
Food Chain
- B.
Food Circle
- C.
Food Web
- D.
Food Pyramid
Questions: 22 | Attempts: 7318 | Last updated: Mar 22, 2022
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Sample QuestionThe passing of physical characteristics from parent to offspring is __________.
Questions: 22 | Attempts: 7083 | Last updated: Mar 22, 2022
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Sample QuestionThe stage of the cell cycle during which the cells nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell
Questions: 7 | Attempts: 6579 | Last updated: Mar 21, 2022
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Sample QuestionAll animal and plant cells are the same.
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